EP1180861A3 - Optisches Wellenlängenmultiplexiertes Übertragungsssystem - Google Patents
Optisches Wellenlängenmultiplexiertes Übertragungsssystem Download PDFInfo
- Publication number
- EP1180861A3 EP1180861A3 EP01306447A EP01306447A EP1180861A3 EP 1180861 A3 EP1180861 A3 EP 1180861A3 EP 01306447 A EP01306447 A EP 01306447A EP 01306447 A EP01306447 A EP 01306447A EP 1180861 A3 EP1180861 A3 EP 1180861A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- transmission system
- wavelength division
- optical wavelength
- receiving end
- division multiplexed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000005540 biological transmission Effects 0.000 title abstract 2
- 230000003287 optical effect Effects 0.000 title 1
- 230000004075 alteration Effects 0.000 abstract 1
- 239000000835 fiber Substances 0.000 abstract 1
- 239000013307 optical fiber Substances 0.000 abstract 1
- 230000002269 spontaneous effect Effects 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/29—Repeaters
- H04B10/291—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form
- H04B10/293—Signal power control
- H04B10/294—Signal power control in a multiwavelength system, e.g. gain equalisation
- H04B10/296—Transient power control, e.g. due to channel add/drop or rapid fluctuations in the input power
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optical Communication System (AREA)
- Lasers (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITTO000808 | 2000-08-18 | ||
IT2000TO000808A IT1320596B1 (it) | 2000-08-18 | 2000-08-18 | Sistema di trasmissione ottico. |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1180861A2 EP1180861A2 (de) | 2002-02-20 |
EP1180861A3 true EP1180861A3 (de) | 2003-12-17 |
EP1180861B1 EP1180861B1 (de) | 2007-06-06 |
Family
ID=11458004
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01306447A Expired - Lifetime EP1180861B1 (de) | 2000-08-18 | 2001-07-27 | Verfahren zur Bestimmung der Eingangsleistung eines optischen Wellenlängenmultiplexiertes Übertragungssystems |
Country Status (10)
Country | Link |
---|---|
US (1) | US6657779B2 (de) |
EP (1) | EP1180861B1 (de) |
JP (1) | JP2002141868A (de) |
AT (1) | ATE364264T1 (de) |
AU (1) | AU6187601A (de) |
DE (1) | DE60128756T2 (de) |
IT (1) | IT1320596B1 (de) |
NO (1) | NO20013999L (de) |
RU (1) | RU2001123251A (de) |
ZA (1) | ZA200106216B (de) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU2002340763A1 (en) * | 2001-05-09 | 2002-11-18 | Ciena Corporation | Method and system for controlling amplifier power in an optical communications network having add/drop capability |
US6600596B2 (en) | 2001-05-09 | 2003-07-29 | Ciena Corporation | Method and system for controlling amplifier power in an optical communications network having add/drop capability |
JP2003124881A (ja) * | 2001-10-15 | 2003-04-25 | Fujitsu Ltd | 光伝送装置および光伝送システム |
GB0129716D0 (en) | 2001-12-12 | 2002-01-30 | Marconi Comm Ltd | Signal transmission apparatus and method of signal transmission |
JP3971935B2 (ja) * | 2002-02-12 | 2007-09-05 | 株式会社日立コミュニケーションテクノロジー | 四光波混合による伝送品質劣化を低減可能な光伝送装置および光伝送システム |
JP3934513B2 (ja) * | 2002-08-29 | 2007-06-20 | 富士通株式会社 | 非線形劣化を考慮したプリエンファシス制御方法 |
US7379647B2 (en) * | 2005-09-29 | 2008-05-27 | Lucent Technologies Inc. | Configuring optical launch powers in optical fiber transmission lines |
JP5267899B2 (ja) * | 2007-03-28 | 2013-08-21 | 日本電気株式会社 | 波長多重光伝送システム並びに波長多重光伝送方法 |
JP5396829B2 (ja) * | 2008-11-21 | 2014-01-22 | 富士通株式会社 | 分布ラマン増幅器および光通信システム |
JP6666645B2 (ja) | 2014-05-16 | 2020-03-18 | 富士通株式会社 | 信号光品質測定装置及び方法 |
EP3376687A1 (de) * | 2017-03-17 | 2018-09-19 | Xieon Networks S.à r.l. | Bestimmung der kanal-osnr und der kanal-osnr-spanne unter realen netzwerkbedingungen |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5446812A (en) * | 1992-11-17 | 1995-08-29 | Northern Telecom Limited | Improving signal to noise ratio in an optical transmission system |
US5654816A (en) * | 1994-08-25 | 1997-08-05 | Lucent Technologies Inc. | Performance monitoring and fault location in optical transmission |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06318754A (ja) * | 1993-05-10 | 1994-11-15 | Matsushita Electric Ind Co Ltd | 光ファイバ増幅器および光信号伝送システム |
JPH09247091A (ja) * | 1996-03-08 | 1997-09-19 | Fujitsu Ltd | 光伝送装置及び光伝送システム |
US6069718A (en) * | 1997-09-19 | 2000-05-30 | Nortel Networks Corporation | Distortion penalty measurement procedure in optical systems using noise loading |
DE60022567T2 (de) * | 1999-04-01 | 2006-05-04 | Cisco Photonics Italy S.R.L. | Verfahren zur Rauschverminderung in in einem optischen Ferntelekommunikationssystem |
US6384963B2 (en) * | 2000-03-03 | 2002-05-07 | Lucent Technologies Inc. | Optical communication system with co-propagating pump radiation for raman amplification |
US6697558B2 (en) * | 2000-03-03 | 2004-02-24 | Fitel U.S.A. Corp | Raman amplified optical system with reduction of four-wave mixing effects |
US6643057B2 (en) * | 2001-02-26 | 2003-11-04 | Corning Incorporated | Optical amplifier with reduced non-linear signal impairments by optimum pumping configuration and method for using same |
-
2000
- 2000-08-18 IT IT2000TO000808A patent/IT1320596B1/it active
-
2001
- 2001-07-27 ZA ZA200106216A patent/ZA200106216B/xx unknown
- 2001-07-27 AT AT01306447T patent/ATE364264T1/de not_active IP Right Cessation
- 2001-07-27 DE DE60128756T patent/DE60128756T2/de not_active Expired - Lifetime
- 2001-07-27 EP EP01306447A patent/EP1180861B1/de not_active Expired - Lifetime
- 2001-08-10 US US09/928,252 patent/US6657779B2/en not_active Expired - Lifetime
- 2001-08-16 JP JP2001247105A patent/JP2002141868A/ja active Pending
- 2001-08-16 NO NO20013999A patent/NO20013999L/no unknown
- 2001-08-17 AU AU61876/01A patent/AU6187601A/en not_active Abandoned
- 2001-08-17 RU RU2001123251/09A patent/RU2001123251A/ru not_active Application Discontinuation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5446812A (en) * | 1992-11-17 | 1995-08-29 | Northern Telecom Limited | Improving signal to noise ratio in an optical transmission system |
US5654816A (en) * | 1994-08-25 | 1997-08-05 | Lucent Technologies Inc. | Performance monitoring and fault location in optical transmission |
Also Published As
Publication number | Publication date |
---|---|
JP2002141868A (ja) | 2002-05-17 |
NO20013999L (no) | 2002-02-19 |
NO20013999D0 (no) | 2001-08-16 |
IT1320596B1 (it) | 2003-12-10 |
US20020044340A1 (en) | 2002-04-18 |
ITTO20000808A0 (it) | 2000-08-18 |
AU6187601A (en) | 2002-02-21 |
RU2001123251A (ru) | 2003-06-27 |
DE60128756T2 (de) | 2008-01-31 |
EP1180861A2 (de) | 2002-02-20 |
ZA200106216B (en) | 2002-01-31 |
DE60128756D1 (de) | 2007-07-19 |
ITTO20000808A1 (it) | 2002-02-18 |
US6657779B2 (en) | 2003-12-02 |
EP1180861B1 (de) | 2007-06-06 |
ATE364264T1 (de) | 2007-06-15 |
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